An apparatus, system and method for automatically making operation purchasing decisions are provided. The apparatus, system and method make use of purchasing policy rules established by human operators associated with a firm to guide the making of decisions to purchase products and/or services. The actual...http://www.google.com.hk/patents/US20030023499?utm_source=gb-gplus-share專利 US20030023499 - Apparatus, system and method for automatically making operational purchasing decisions
